CN212744343U - Auxiliary noise reduction device for oil-free vacuum pump - Google Patents
Auxiliary noise reduction device for oil-free vacuum pump Download PDFInfo
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- CN212744343U CN212744343U CN202021229004.4U CN202021229004U CN212744343U CN 212744343 U CN212744343 U CN 212744343U CN 202021229004 U CN202021229004 U CN 202021229004U CN 212744343 U CN212744343 U CN 212744343U
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- 230000009467 reduction Effects 0.000 title claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 53
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims description 27
- 239000012774 insulation material Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to an oilless vacuum pump technical field just discloses an oilless vacuum pump is with supplementary device of making an uproar that falls, including the oilless vacuum pump body, the fixed blast pipe that has cup jointed in front side of oilless vacuum pump body, sound-proof box has been cup jointed in the outside activity of oilless vacuum pump body, sound-proof box's inner chamber is fixed to have cup jointed and to inhale cotton one of sound, inhale the inboard of cotton one of sound and seted up and inhale sound groove one, inhale the fixed inner chamber of cotton one of sound and cup jointed and inhale cotton two of sound. This device of making an uproar falls in assistance for oilless vacuum pump is equipped with sound insulation box respectively in the outside through oilless vacuum pump body, inhales cotton one and inhales cotton two of sound, through sound insulation box, inhales cotton one of sound and inhales the cotton two of sound and have syllable-dividing and the effect of inhaling the sound, the rethread inhales sound groove two on the cotton two of sound and inhales the sound groove staggered arrangement of inhaling on the cotton one of sound, is convenient for carry out thorough noise reduction to the produced noise of oilless vacuum pump body when the oilless vacuum pump body moves, has improved the effect of making an uproar.
Description
Technical Field
The utility model relates to an oilless vacuum pump technical field specifically is an auxiliary noise reduction device for oilless vacuum pump.
Background
The oil-free vacuum pump is identical to general displacement pump, and is formed from main components of stator, rotor, rotary vane, cylinder body and motor, etc. the rotor with rotary vane is eccentrically mounted in the fixed cylinder, when the rotor is rotated at high speed, the four radial sliding rotary vanes in the rotor groove can be used for dividing pump cavity into four working chambers, and under the action of centrifugal force the rotary vanes are tightly attached to cylinder wall, and can be used for separating inlet and outlet of stator, and can be cyclically and repeatedly run to implement variable capacity, and can discharge sucked gas from exhaust outlet so as to attain the goal of pumping air.
Among the prior art, can all send great sound when oil-free vacuum pump operates, generally all far exceed the noise and prescribe a limit to the standard, both influenced oil-free vacuum pump's life, serious polluted environment again, the used device of making an uproar of falling of current oil-free vacuum pump is when making an uproar falling the oil-free vacuum pump, still can have the noise to spread in the device of making an uproar, and the noise reduction effect is not good.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an oilless vacuum pump is with supplementary device of making an uproar that falls possesses the good advantage of noise reduction effect, has solved the problem mentioned among the above-mentioned background art.
The utility model provides a following technical scheme: the utility model provides an oilless vacuum pump is with supplementary device of making an uproar that falls, includes the oilless vacuum pump body, the fixed cover in front side of oilless vacuum pump body has connect the blast pipe, sound-proof box has been cup jointed in the outside activity of oilless vacuum pump body, sound cotton one has been cup jointed to sound-proof box's inner chamber fixation, sound cotton two has been cup jointed to sound-proof cotton one's inner chamber fixation, sound two is seted up to sound-proof cotton two's inboard, the bottom fixed mounting of oilless vacuum pump body has the support, sound-proof box's front side is seted up and is placed the hole, the upper portion and the lower part activity respectively of placing the hole inner chamber have cup jointed blast pipe and piston.
Carefully, the fixed cover in rear side of sound-proof box has connect bellows, the fixed cover in one side of bellows inner chamber front side has connected electric fan, the fixed cover in rear side of bellows inner chamber has connected the acoustic celotex board, the through-hole has been seted up on the acoustic celotex board, the louvre with the through-hole dislocation is opened to the rear side of bellows.
And carefully selecting, wherein the air box is made of a sound insulation material.
Carefully, the equal fixed mounting in side has the mounting panel around inhaling cotton two inner chamber bottoms, bolt fixed mounting is passed through on the bottom of support in one side of mounting panel.
And carefully selecting, wherein the sound absorption grooves II on the sound absorption cotton II and the sound absorption grooves I on the sound absorption cotton I are arranged in a staggered mode.
Preferably, the bottom of the soundproof box is flush with the bottom of the support.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this device of making an uproar falls in assistance for oilless vacuum pump is equipped with sound insulation box respectively in the outside through oilless vacuum pump body, inhales cotton one and inhales cotton two of sound, through sound insulation box, inhales cotton one of sound and inhales the cotton two of sound and have syllable-dividing and the effect of inhaling the sound, the rethread inhales sound groove two on the cotton two of sound and inhales the sound groove staggered arrangement of inhaling on the cotton one of sound, is convenient for carry out thorough noise reduction to the produced noise of oilless vacuum pump body when the oilless vacuum pump body moves, has improved the effect of making an uproar.
2. This device of making an uproar falls in assistance for oil-free vacuum pump can produce the wind current through the operation of louvre, can cool down to the oil-free vacuum pump body of sound insulation incasement, thereby the outside of having avoided oil-free vacuum pump body is equipped with sound insulation box, inhales the cotton one of sound and inhales the radiating effect that the cotton two influences oil-free vacuum pump body of sound, influences the life of oil-free vacuum pump body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the oil-free vacuum pump body of the present invention;
FIG. 3 is a schematic view of the electric fan according to the present invention;
FIG. 4 is a schematic sectional three-dimensional structure of an air box and a baffle according to the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the bolt of the present invention.
In the figure: 1. an oil-free vacuum pump body; 2. an exhaust pipe; 3. a sound insulation box; 4. sound absorption cotton I; 5. a first sound absorption groove; 6. sound absorption cotton II; 7. a second sound absorption groove; 8. a support; 9. placing holes; 10. a piston; 11. an air box; 12. an electric fan; 13. a sound insulating board; 14. a through hole; 15. heat dissipation holes; 16. mounting a plate; 17. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, an auxiliary noise reduction device for an oilless vacuum pump comprises an oilless vacuum pump body 1, an exhaust pipe 2 is fixedly sleeved on the front side of the oilless vacuum pump body 1, a sound insulation box 3 is movably sleeved on the outer side of the oilless vacuum pump body 1, an air box 11 is fixedly sleeved on the rear side of the sound insulation box 3, an electric fan 12 is fixedly sleeved on one side of the front side of the inner cavity of the air box 11, a sound insulation plate 13 is fixedly sleeved on the rear side of the inner cavity of the air box 11, a through hole 14 is formed in the sound insulation plate 13, a heat dissipation hole 15 dislocated with the through hole 14 is formed in the rear side of the air box 11, an air flow can be generated by the operation of the heat dissipation hole 15, the oilless vacuum pump body 1 in the sound insulation box 3 can be cooled, the phenomenon that the sound insulation box 3, the first sound absorption cotton 4 and the second, the air box 11 is made of sound insulation material, the air box 11 is made of polyester fiber sound absorption board in sound insulation material, noise can be effectively prevented from being emitted from the air box 11, the bottom of the sound insulation box 3 is flush with the bottom of the support 8, the bottom of the sound insulation box 3 can be in contact with the ground through the flush of the bottom of the sound insulation box 3 and the bottom of the support 8, the inner cavity of the sound insulation box 3 is fixedly sleeved with the sound absorption cotton I4, the inner side of the sound absorption cotton I4 is provided with the sound absorption groove I5, the inner cavity of the sound absorption cotton I4 is fixedly sleeved with the sound absorption cotton II 6, the front side and the rear side of the inner cavity bottom of the sound absorption cotton II 6 are both fixedly provided with mounting plates 16, one side of the mounting plates 16 is fixedly mounted on the bottom of the support 8 through bolts 17, the sound absorption cotton II 6 is mounted on, meanwhile, the disassembly is convenient, the sound absorption grooves II 7 on the sound absorption cotton II 6 and the sound absorption grooves I5 on the sound absorption cotton I4 are arranged in a staggered way, the outer side of the oil-free vacuum pump body 1 is respectively provided with a sound insulation box 3, a sound absorption cotton I4 and a sound absorption cotton II 6, through sound insulation box 3, inhale cotton 4 of sound and inhale cotton two 6 of sound and have sound insulation and the effect of inhaling the sound, the rethread inhales sound groove two 7 on the cotton two 6 of sound and inhales sound groove 5 staggered arrangement on the cotton 4 of sound, be convenient for carry out thorough noise reduction to the produced noise of oil-free vacuum pump body 1 when oil-free vacuum pump body 1 moves, the effect of making an uproar falls is greatly improved, inhale the inboard of sound cotton two 6 and seted up sound groove two 7, the bottom fixed mounting of oil-free vacuum pump body 1 has support 8, sound insulation box 3's front side is opened and is equipped with and places hole 9, the upper portion and the lower part of placing the inner chamber of hole 9 have movably cup jointed blast pipe 2 and piston 10.
The working principle is as follows: during the use, cup joint sound-proof box 3 on the outside of oil-free vacuum pump body 1, make blast pipe 2 cup joint on the upper portion of placing the hole 9 inner chamber, fill in piston 10 in the lower part of placing the hole 9 inner chamber, utilize bolt 17 to install mounting panel 16 on support 8's bottom, when oil-free vacuum pump body 1 moves, utilize sound-proof box 3, inhale cotton 4 of sound and inhale cotton two 6 of sound and fall and make an uproar, the operation through louvre 15 can produce the distinguished and admirable, can cool down oil-free vacuum pump body 1 in the sound-proof box 3, can.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an auxiliary noise reduction device for oil-free vacuum pump, includes oil-free vacuum pump body (1), its characterized in that: the fixed blast pipe (2) of having cup jointed of front side of oil-free vacuum pump body (1), sound-proof box (3) has been cup jointed in the outside activity of oil-free vacuum pump body (1), the intracavity fixing of sound-proof box (3) has cup jointed and has inhaled sound cotton (4), inhale the inboard of sound cotton (4) and seted up and inhale sound groove (5), inhale the intracavity fixing of sound cotton (4) and cup jointed and inhale sound cotton two (6), inhale the inboard of sound cotton two (6) and seted up and inhale sound groove two (7), the bottom fixed mounting of oil-free vacuum pump body (1) has support (8), the front side of sound-proof box (3) is seted up and is placed hole (9), the upper portion and the lower part of placing hole (9) inner chamber have cup jointed blast pipe (2) and piston (10) respectively in the activity.
2. An auxiliary noise reduction device for an oil-free vacuum pump as claimed in claim 1, wherein: bellows (11) have been cup jointed to the rear side of sound-proof box (3) is fixed, electric fan (12) have been cup jointed to one side of bellows (11) inner chamber front side is fixed, the fixed cover in rear side of bellows (11) inner chamber has been cup jointed acoustic celotex board (13), through-hole (14) have been seted up on acoustic celotex board (13), louvre (15) with through-hole (14) dislocation are seted up to the rear side of bellows (11).
3. An auxiliary noise reduction device for an oil-free vacuum pump as claimed in claim 2, wherein: the air box (11) is made of sound insulation materials.
4. An auxiliary noise reduction device for an oil-free vacuum pump as claimed in claim 1, wherein: inhale the equal fixed mounting in front and back side of cotton two (6) inner chamber bottom of sound and have mounting panel (16), bolt (17) fixed mounting is passed through to one side of mounting panel (16) on the bottom of support (8).
5. An auxiliary noise reduction device for an oil-free vacuum pump as claimed in claim 1, wherein: and the sound absorption grooves II (7) on the sound absorption cotton II (6) and the sound absorption grooves I (5) on the sound absorption cotton I (4) are arranged in a staggered manner.
6. An auxiliary noise reduction device for an oil-free vacuum pump as claimed in claim 1, wherein: the bottom of the sound insulation box (3) is flush with the bottom of the support (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021229004.4U CN212744343U (en) | 2020-06-29 | 2020-06-29 | Auxiliary noise reduction device for oil-free vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021229004.4U CN212744343U (en) | 2020-06-29 | 2020-06-29 | Auxiliary noise reduction device for oil-free vacuum pump |
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| Publication Number | Publication Date |
|---|---|
| CN212744343U true CN212744343U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021229004.4U Active CN212744343U (en) | 2020-06-29 | 2020-06-29 | Auxiliary noise reduction device for oil-free vacuum pump |
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| CN (1) | CN212744343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136130A (en) * | 2021-11-11 | 2022-03-04 | 江苏华洋新思路能源装备股份有限公司 | Combined heat pipe vacuumizing water injection device |
-
2020
- 2020-06-29 CN CN202021229004.4U patent/CN212744343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136130A (en) * | 2021-11-11 | 2022-03-04 | 江苏华洋新思路能源装备股份有限公司 | Combined heat pipe vacuumizing water injection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231102 Address after: No. 93, Chengnan, Gucheng Village, Gulei Town, Zhangpu County, Zhangzhou City, Fujian Province, 363200 Patentee after: Lin Xiaoju Patentee after: Huang Jinhui Address before: Room 2-403-a, building 3, No.2, Haitai Chuangxin 6th Road, Huayuan Industrial Zone, Binhai New Area, Tianjin, 300384 Patentee before: TIANJIN SHENGZE TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231110 Address after: No. 19-2, Qianzhanli, Dong'an Village, Jimei District, Xiamen City, Fujian Province, 361021 Patentee after: Xiamen Taixing electromechanical Co.,Ltd. Address before: No. 93, Chengnan, Gucheng Village, Gulei Town, Zhangpu County, Zhangzhou City, Fujian Province, 363200 Patentee before: Lin Xiaoju Patentee before: Huang Jinhui |